Physics
Tweezers made of light could illuminate the quantum twin paradox
A single ytterbium atom, cooled down to extreme temperatures and manipulated with laser beams, could reveal how gravity affects quantum objects
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A single ytterbium atom, cooled down to extreme temperatures and manipulated with laser beams, could reveal how gravity affects quantum objects
A technique to charge a battery inside a quantum computer relies on sorting qubits in an imitation of Maxwell’s demon, a 19th-century thought experiment once thought to break the laws of physics